Special issue of the APA journal Psychotherapy, Vol. 50, No. 3, September 2013. The articles describe behaviors or techniques that help stimulate Clinical Process, shape its content, or influence its direction and focus.

Special issue of the APA journal Psychotherapy, Vol. 50, No. 2, June 2013. Includes articles about the research training environment; the phase model of change; self-rated professional qualities; trainee self-efficacy; attachment and the supervisory alliance; multicultural case conceptualization; and Internet-based training.

Special issue of the APA journal Psychotherapy, Vol. 50, No. 1, March 2013. Seminal articles from Volume 1 of the journal are reprinted, followed by papers by current authors addressing the progress on psychotherapy outcome research in the past 50 years.

Special issue of the APA journal Psychotherapy, Vol. 49, No. 3, September 2012. Includes articles about psychodynamic psychotherapy outcomes; therapist actions and the therapeutic bond; dynamic psychotherapy treatment for depression; and the dynamic research interview.

Special issue of the APA journal Psychotherapy, Vol. 48, No. 1, March 2011. Includes articles about alliance in various therapeutic settings; cohesion in group therapy; empathy; goal consensus; client feedback; and countertransference.

Special issue of the APA journal Psychotherapy, Vol. 41, No. 4, December 2004. Articles address diverse aspects of research, theory, assessment, and treatment as they relate to the impact of traumatic experiences on psychological functioning.